<template>
  <div>
    <table border="1" width="700" style="border-collapse: collapse">
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th><input type="checkbox" v-model="isAll"/> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
      </thead>
        <cart-item />
      <tfoot>
        <tr>
          <td>合计:</td>
          <td colspan="5">{{totalPrice}}</td>
        </tr>
      </tfoot>
    </table>
  </div>
</template>

<script>
import CartItem from './components/CartItem.vue'
import { mapState, mapGetters } from 'vuex'
export default {
  components: { CartItem },
  computed: {
    ...mapState('cart', ['goodList']),
    ...mapGetters('cart', ['totalPrice']),

    isAll: {
      get () {
        return this.goodList.every(item => item.checked)
      },
      set (value) {
        return this.$store.commit('cart/changeIsAll', { value })
      }
    }
  }

}
</script>

<style></style>
